Permatex 50345 Metal Patch and Fill, Charcoal Gray, 3.5 oz Tube

Use to rebuild metal surfaces and to repair worn surfaces by patching, filling and sealing. Once fully cured, it can be drilled, sanded or painted. No shrinking and no cracking. Use on glass, ceramics, rusted or corroded metal. Repair gutters, downspouts, ductwork, tanks, or aluminum boats. Chemical resistant.Repairs broken, rusted or corroded metal. builds up worn surfaces, fixes gutter, grates, fencing, duct work, tanks, aluminum boats. Waterproof and resistant to oil, gasoline and most chemicals. Product is a flammable viscous paste with aromatic solvent od